just choose a unit and stick with it. and yes 1 unit to 1 meter is usually a good idea. for the perfect fov measure your viewing distance to your monitor and take its physical size into account. then...

Use explicit loop counters and break loops at certain counter thresholds (plus output a signal color at the broken fragment)... Its the only thing i can think of that will help here without help from...

The CUDA-readback was already tested in this thread [1], reading back the framebuffer content directly using CUDA. it gave very good results. it would be very interesting if using a CUDA memcpy on a...